<template>
    <p>Vuex</p>
    <p>count : {{ count }}</p>
    <p>tenTimes : {{ tenTimes }}</p>
    <button @click="updateVuexCount">修改count</button>
    <button @click="asyncIncrement">修改count-action</button>

    <p>moduleA: countA {{ store.state.a.countA }}</p>
    <p>moduleB: countB {{ store.state.b.countB }}</p>

    <p>moduleA: doubleCountA: {{ store.getters.doubleCountA }}</p>
    <p>moduleB: doubleCountB: {{ store.getters['b/doubleCountB'] }}</p>

    <button @click="moduleAincrementA">模块A-mutations-触发</button>
    <button @click="moduleBincrementB">模块B-mutations-触发</button>

    <button @click="moduleAasyncIncrementA">模块A-action-触发</button>
    <button @click="moduleBasyncIncrementB">模块B-action-触发</button>
</template>


<script setup>
import {computed} from 'vue'
import {useStore} from 'vuex'

// 获得一个Vuex的实例化对象
const store = useStore()

const count = computed(()=> store.state.count)
const tenTimes = computed(()=> store.getters.tenTimes)

// 触发mutations
const updateVuexCount = ()=>{
    store.commit("increment", {count:20})
}

// actions
const asyncIncrement = ()=>{
    store.dispatch("asyncIncrement", {count: 30})
}

// mutations 
const moduleAincrementA = ()=>{
    store.commit("incrementA")
}
const moduleBincrementB = ()=>{
    store.commit("b/incrementB")
}

// actions module
const moduleAasyncIncrementA = ()=>{
    store.dispatch("asyncIncrementA")
}
const moduleBasyncIncrementB = ()=>{
    store.dispatch("b/asyncIncrementB")
}
</script>